Lexmark C2425
From the control panel, navigate to:
Settings > Device > Restore Factory Defaults
For non-touch-screen printer models, press to navigate through the settings.
In the Restore Settings menu, select the settings that you want to restore.
Select RESTORE.
Follow the instructions on the display.
FAQs for Lexmark Secure by Default
Manually assign a specific paper size that is not available in the paper menu.